Intercom

Senior Core Technologies Engineer

Intercom
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2 months ago
Dublin, IrelandSenior
H1B Sponsor

Responsibilities

  • Own Elasticsearch at scale, including index design, shard and partitioning strategy, cluster health, performance tuning, safe migrations, and operational excellence
  • Collaborate with domain experts to shape technical direction and infrastructure strategy
  • Own infrastructure areas through application development, systems automation, observability improvements, and low-level production datastore tuning
  • Contribute to ideation, prototyping, design, implementation, and strategic enablement
  • Support incremental delivery through continuous deployment and feature flags
  • Participate in hiring, mentoring, and career development for engineers
  • Raise technical standards for performance, reliability, and operational excellence across Fin

Requirements

  • At least five years of production engineering experience with contributions to distributed-systems design and architecture
  • Strong experience with a major production datastore or search system, especially Elasticsearch
  • Practical expertise in Elasticsearch index and mapping design, cluster operations, scaling, performance tuning, and migrations
  • Expertise in backend technologies including MySQL and Memcached, as well as Linux
  • Demonstrated impact on products or engineering teams and, ideally, experience scaling a SaaS product
  • Proficiency with unit testing, object-oriented design, data structures, code reviews, design documentation, and observability tooling
  • Understanding of modern web applications and distributed systems, with the ability to explain technical challenges and solutions
  • Experience serving as a technical lead for large, multiquarter projects and programs, including roadmap definition
  • Ability to learn quickly, iterate, unblock yourself, and persist until problems are solved

Benefits

  • Hybrid working policy with at least three days per week in the office
  • Competitive salary and equity
  • Weekday lunch, snacks, and a fully stocked kitchen
  • Regular compensation reviews
  • Unlimited access to Claude Code and other AI tools
  • Pension scheme with matching up to 4%
  • Life assurance and comprehensive health and dental insurance for employees and dependents
  • Flexible paid time off
  • Paid maternity leave and six weeks of paternity leave
  • Cycle-to-Work Scheme and secure bike storage
  • MacBook provided as standard, with Windows available for certain roles

Tech Stack

ElasticsearchLinuxMySQLRuby on RailsWindows

Categories

Intercom

About Intercom

1,001-5,000 employees

We’re Intercom — the AI customer service company helping businesses deliver incredible customer experiences at scale. Our platform combines Fin, the #1 AI Agent for customer service, with our next-generation Helpdesk, a modern workspace that gives support teams the power, speed and intelligence they need.